82165721 (number)

82165721 is an odd 8-digits composite number following 82165720 and preceding 82165722. In scientific notation, it is written as 8.2165721 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 74340000 positive integers (up to 82165721) that are relatively prime to 82165721.

Interesting facts

Basic properties

Name

Name eighty-two million one hundred sixty-five thousand seven hundred twenty-one

Notation

Scientific notation 8.2165721 × 10^7
Engineering notation 8.2165721 × 10^6

Prime Factorization of 82165721

Prime Factorization 11 × 211 × 35401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 82165721
Product of the distinct prime numbers

The prime factorization of 82165721 is 11 × 211 × 35401. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82165721)

Multiplication

n×y
n×2 164331442
n×3 246497163
n×4 328662884
n×5 410828605

Division

n÷y
n÷2 41082860.5
n÷3 27388573.666667
n÷3 20541430.25
n÷5 16433144.2

Exponentiation

ny
n2 6751205707449841
n3 5.5471768457193E+23
n4 4.5578778504303E+31
n5 3.7450131981054E+39

Nth Root

y√n
2√n 9064.5309310521
3√n 434.74062310615
4√n 95.207830198215
5√n 38.277021324477

Divisors of 82165721

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -82165720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82165721 can be divided by 8 positive divisors. The sum of these divisors (counting 82165721) is 1, the average is 0.125.

Base conversion 82165721

Base System Value
2 Binary 100111001011011111111011001
3 Ternary 12201121110011212
4 Quaternary 10321123333121
5 Quinary 132013300341
6 Senary 12053032505
8 Octal 471337731
10 Decimal 82165721
12 Duodecimal 23625735
16 Hexadecimal 4e5bfd9
20 Vigesimal 15dae61
36 Base36 1cx3h5

Cryptographic Hash Functions

md5 e1d5baf948c9ae8e2ae009dd50174785
sha1 61b6af290ac6535cfd79a5e295b0c26937fa7ab3
sha256 cfd9efe9f073a3c14649a47f151e275df43a2f3ae6c889e0ae2030b7b279b5e2
sha512 ff1afb978ee6f0277d088a44536f51fd8884656d533b31b0ff6a9b1fbb814a809adf75f92f940a24a8d60c31ef5e67542287877cdadbd283ceeb6a3e77ac9deb
ripemd-160 388f8790a35346cba1e22adcc8d3c5ed0f5298bf

82165721 as geometric shapes

Circle

Radius = n
Diameter 164331442
Circumference 516262450.94102
Area 2.1209538253398E+16

Sphere

Radius = n
Volume 2.3235960035567E+24
Surface area 8.4838153013592E+16
Circumference 516262450.94102

Square

Length = n
Perimeter 328662884
Area 6751205707449841
Diagonal 116199877.00036

Cube

Length = n
Surface area 40507234244699046
Volume 5.5471768457193E+23
Space diagonal 142315203.41253

Equilateral Triangle

Length = n
Perimeter 246497163
Area 2.923357824413E+15
Altitude 71157601.706265

Triangular Pyramid

Length = n
Surface area 2.923357824413E+15
Volume 6.5374106067485E+22
Height 38733292.333455